View source for Plectocephalus americanus

{{Treatment/ID
|accepted_name=Plectocephalus americanus
|accepted_authority=(Nuttall) D. Don in R. Sweet
|publications={{Treatment/Publication
|title=in R. Sweet, Brit. Fl. Gard., ser.
|place=2, 1: plate 51. 1830
|year=1830
}}
|common_names=American basketflower;powderpuff or thornless thistle;American star-thistle;cardo del valle
|basionyms={{Treatment/ID/Basionym
|name=Centaurea americana
|authority=Nuttall
|rank=species
|publication_title=J. Acad. Nat. Sci. Philadelphia
|publication_place=2: 117. 1821
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Cardueae;Plectocephalus;Plectocephalus americanus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Cardueae]]</div><div class="higher-taxon"><small>genus</small>[[Plectocephalus]]</div><div class="higher-taxon"><small>species</small>[[Plectocephalus americanus]]</div></div>
|volume=Volume 19
|mention_page=page 177
|treatment_page=page 176
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>50–200 cm. <b>Stems</b> usually 1, erect, sparingly branched, glabrous, minutely scabrous and glandular. <b>Leaves</b> scabrous; basal sessile or winged-petiolate, usually absent at anthesis, blades oblanceolate to narrowly obovate, 10–20 cm, margins entire or sparingly denticulate; cauline sessile, usually not much smaller except among heads, blades ovate to lanceolate, mostly 5–10 cm, entire or serrulate. <b>Involucres</b> broadly hemispheric, 30–50 mm. <b>Phyllaries</b>: bodies pale green, broadly elliptic (outer) to linear (inner), apices with appendages erect to spreading, whitish to stramineous (less commonly pale brown to purple), fringed with 9–15 slender spinelike teeth 2–3 mm, teeth not conspicuously ciliate; mid with (4–)5–7(–8) pairs of lobes; faces glabrous or loosely cobwebby-tomentose. <b>Corollas</b> of neutral florets pink-purple (rarely white), 35–50 mm, enlarged, raylike; of bisexual florets pinkish, 20–25 mm. <b>Cypselae</b> grayish brown to black, 4–5 mm, glabrous or with white hairs near bases; pappus bristles unequal, stiff, 6–14 mm. <b>2n</b> = 26.</span><!--

-->{{Treatment/Body
|phenology=Flowering Feb–Aug.
|habitat=Prairies, fields, open woods, grasslands, roadsides, other disturbed sites
|elevation=0–2100 m
|distribution=Ariz.;Ark.;Kans.;La.;Mo.;Okla.;Tex.;Mexico (Chihuahua;Coahuila;Nuevo León;San Luis Potosí;Tamaulipas).
|discussion=<p><i>Plectocephalus americanus</i> is an attractive and showy plant and has been in cultivation for many years. It occasionally escapes from cultivation outside its native range.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Plectocephalus americanus
|authority=(Nuttall) D. Don in R. Sweet
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Centaurea americana
|family=Asteraceae
|phenology=Flowering Feb–Aug.
|habitat=Prairies, fields, open woods, grasslands, roadsides, other disturbed sites
|elevation=0–2100 m
|distribution=Ariz.;Ark.;Kans.;La.;Mo.;Okla.;Tex.;Mexico (Chihuahua;Coahuila;Nuevo León;San Luis Potosí;Tamaulipas).
|reference=None
|publication title=in R. Sweet, Brit. Fl. Gard., ser.
|publication year=1830
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V19_196.xml
|tribe=Asteraceae tribe Cardueae
|genus=Plectocephalus
|species=Plectocephalus americanus
}}<!--

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